INDEX 



541 



boufrobaena, 3S2 



bendrocoelum, 30, 35, 39 



bemlrostomtt, 122, 425, 428 



Dendy, on Land Planarians, 33, 34, 38 



Denticles, 248, 250, 316, 622 



bero, 352, 377 



Jterostvma, 44, 50 



Itesmoyaster, 3SO 



Desmoscolecidae, 159 



Desmoscole.,:, 159, 258 



Desor, on Neniertine development, 99 ; 

 Type of, larva, 113 



Development, of Polyclads, 28 ; of Nemer- 

 tinea, 99, 113; of Nematoda, 135; of 

 Gimlitts, 171 ; of Acanthocephala, 179 ; 

 of Chaetognatha, 189 ; of Rotifers, 218 ; of 

 Archiannelida, 243, 245 ; of Polychaeta, 

 274 f. ; of Oligochaeta, 365 ; of Leeches, 

 399 ; of Gephyrea, 419, 432, 439, 447 ; 

 of Plioronis, 458 ; of Polyzoa, 506, 509 

 see also Life-history and Larva 



Diaclweta, 366 



Diaphragm, of Nereis introvert, 250, 251 ; 

 of Terel>ellidae, 304, 327 ; of Polyzoa, 

 469, 470, 500, 508 



biaschiza, 225, 226 



biastopora, 518, 531 



biclwijuster, 362, 3S3 



biclidophisra, 73 



JHcutylus. 32, 35, 36, 43 



bicranotaenia, 91 ', b. coronula, life- 

 history, 84 



bicyema, 93 : vermiform larva of, 92 ; 

 hosts of, 94 



bicyemennea, 93, 93 ; hosts of, 94 



Dicyemidae, 92 f. 



bidymoyaster, 383 



bidymozoon, 73; b. thynni ( Monostomum 

 bipartitum), 71 



Didymozoontidae, 73 



blaster, 358, 359, 382 f. 



Digenea (Digenetic Trematodes), 5, 52, 62, 

 73 ; occurrence and habits. 62 ; life- 

 histories, 63 f., 71 f. 



Digestive system, of Leptoplana, 11, 12 

 of Polyclads, 24 ; of Triclads, 37, 39 

 of Rhabdocoelida, 42 f. ; of Temnocepluila 

 53, 54 ; of Polystomum, 57 ; of bist, 

 mum, 62 ; absence of, in Cestodes, 74 ; 

 of Nemertinea, 103, 103, 104 ; of Nema- 

 toda, 130 ; of Gordiidae, 166, 169 ; of 

 Chaetognatha, 187 ; of Rotifers, etc., 209, 

 233, 237 ; of Archiannelida, 243 ; of 

 Polychaeta, 249, 269 ; of Oligochaeta, 

 358 ; of Hirndinea, 396 ; of Gephyrea, 

 414 ; of Phvnmis, 454 ; of Polyzoa, 

 468, 469, 487 



T)iyitilimiic.hus, 353 



ViabiiH, 212, 217, 224, 226 



Digonopora, 16 



Dimorphism, in Pulystomum, 59 ; sexual, 

 of Trematodes, 70 ; of Orthouectida, 95 ; 



of Dinnphilvs, 243 ; of Polychaeta, 276, 

 279 f.; of Gephyrea, 438 



Diuocharididae, 225 



Jtiiiocharin, 225 



Ditiophilns, 242; D. taeniatus, 242; 1), 

 yyrocilintus, sexual dimorphism, 243 



bhwps, 223 



biopatrn, gill, 318 



Diphyllinae, IU 



biplax, 225 



biplectanwm, 73 



biplobothriuw, 73 



Diplocanlin, 3S5 



biplwlisots, 7.i ; b. (Aiiijihintomitm) sub- 

 davatinn, life-history, 71 



biplogaster, 154 



biplois, 225 



l)iplostomin, 73 



Diploztxm, 55, 60, 73 ; life-history, 60, 61 ; 

 reproductive organs, 60 



Diporochaeta, 381 



JJipurpa, 60, 61 



biporula, 528 



bipylidium, 81, 91 ; life-history, 83, 88, 

 89 ; specific characters, 90 



Disc, in Rotifers, 200, 202 f., 202 



Discharge, of genital cells ; Nemertinea, 

 116 ; Archianuelida, 244 ; Polychaeta, 

 256, 274, 275 



Discobdella, 226 



biscocelis, 19, 23 



Discodrilidae, 350, 376, 392, 395 



biscopns, 201, 222, 226, 227 



bispluimyus, 147, 149, 163 



bispintliera, 225 



Distemma, 212, 224, 226 



Distomatidae, 73 



bistomum adretia ( = D. miyrans), life- 

 history, 71 ; b. appendiciilatum, life- 

 history, 71 ; b. aacidia, life-history, 71 ; 

 b.atrivetitre, life-history, 71; J). bmcliy- 

 somnm, life-history, 71 ; b. buskii, 63 ; 

 1). candatunt, life-history, 71 ; b. clari- 

 l/erum, life-history, 72 ; b. cuiijunctuia, 

 63 ; b. crassum, 63 ; b. .;yy>ioideti, life- 

 history, 72 ; b. cyliiuiraceuw, 72 ; b. 

 dimorphnm, 72 ; b. echiiiatinn, 63 ; life- 

 history, 72 ; b. echiuri, 444 ; b. endo- 

 lobitm, life-history, 72 ; It. e.cwtitttnn, 

 63 ; b. /<-, 63 ; b. i/Mn'/mi-inii, life- 

 history, 72 ; b. hians, 63 ; It. Iiejmticiiui 

 (liver-fluke), 3, 63, 67 f..72; b.hctcn,- 

 phyex, 63 ; b. hystrix, life-history, 72 ; 

 b. japonicum (>b. *pathulatum\ 63; 

 Z>. latteeolatiiui, 63 ; Jt. lutetnn, excre- 

 tory system of, 62 ; D. wac-ronfunniHi, 

 life-history, 64, 65, 72 ; It. may HUM, 68 ; 

 b. militare, life-history, 72 ; It. >u*lu- 

 losnm, life-history, 72 ; It. oadi-humani 

 ( = Jt. <>phthaltn<>bium\ 63 ; It.m-ticntida- 

 tu.ni, life-history, 72 ; b.pulnumaJe, 63, 

 70 ; b. nttlu'n'isi, 63, 70 ; D. retiisum, 



